DK0932594T3 - Fremgangsmåde til genvinding af mælkesyre - Google Patents

Fremgangsmåde til genvinding af mælkesyre

Info

Publication number
DK0932594T3
DK0932594T3 DK97911613T DK97911613T DK0932594T3 DK 0932594 T3 DK0932594 T3 DK 0932594T3 DK 97911613 T DK97911613 T DK 97911613T DK 97911613 T DK97911613 T DK 97911613T DK 0932594 T3 DK0932594 T3 DK 0932594T3
Authority
DK
Denmark
Prior art keywords
lactic acid
moiety
anion exchanger
recovery
feed solution
Prior art date
Application number
DK97911613T
Other languages
English (en)
Inventor
Aharon Meir Eyal
Patrick R Gruber
Paul Mcwilliams
David R Witzke
Original Assignee
Cargill Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cargill Inc filed Critical Cargill Inc
Application granted granted Critical
Publication of DK0932594T3 publication Critical patent/DK0932594T3/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
DK97911613T 1996-10-09 1997-10-02 Fremgangsmåde til genvinding af mælkesyre DK0932594T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL11938896A IL119388A (en) 1996-10-09 1996-10-09 Process for the preparation of lactic acid and its esters or amides using an anion exchanger
PCT/US1997/017775 WO1998015519A2 (en) 1996-10-09 1997-10-02 A process for the recovery of lactic acid esters and amides from aqueous solutions of lactic acid and/or salts thereof

Publications (1)

Publication Number Publication Date
DK0932594T3 true DK0932594T3 (da) 2002-10-14

Family

ID=11069360

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97911613T DK0932594T3 (da) 1996-10-09 1997-10-02 Fremgangsmåde til genvinding af mælkesyre

Country Status (10)

Country Link
EP (1) EP0932594B1 (da)
AT (1) ATE221042T1 (da)
AU (1) AU4893797A (da)
BR (1) BR9712224A (da)
DE (1) DE69714278T2 (da)
DK (1) DK0932594T3 (da)
ES (1) ES2180952T3 (da)
IL (1) IL119388A (da)
PT (1) PT932594E (da)
WO (1) WO1998015519A2 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6475759B1 (en) 1997-10-14 2002-11-05 Cargill, Inc. Low PH lactic acid fermentation
US6229046B1 (en) 1997-10-14 2001-05-08 Cargill, Incorported Lactic acid processing methods arrangements and products
CA2321759A1 (en) * 1998-03-02 1999-09-10 Elankovan Ponnampalam Purification of organic acids using anion exchange chromatography
NL2009377C2 (en) * 2012-08-28 2014-03-03 Univ Delft Tech Ester formation.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5252473A (en) * 1990-01-23 1993-10-12 Battelle Memorial Institute Production of esters of lactic acid, esters of acrylic acid, lactic acid, and acrylic acid
US5132456A (en) * 1991-05-07 1992-07-21 The Regents Of The University Of California Sorption of carboxylic acid from carboxylic salt solutions at PHS close to or above the pKa of the acid, with regeneration with an aqueous solution of ammonia or low-molecular-weight alkylamine
FR2677354B1 (fr) * 1991-06-05 1993-09-03 Rhone Poulenc Chimie Procede pour la preparation d'esters d'acides racemisables.
JPH07258154A (ja) * 1994-03-25 1995-10-09 Nitto Chem Ind Co Ltd 乳酸エステルの製法
IL117232A0 (en) * 1996-02-22 1996-06-18 Yissum Res Dev Co A process for the production of an ester or polyester of carboxylic acid from a concentrated fermentation liquor

Also Published As

Publication number Publication date
WO1998015519A3 (en) 1998-07-02
PT932594E (pt) 2002-11-29
BR9712224A (pt) 2002-03-05
IL119388A0 (en) 1997-01-10
IL119388A (en) 2000-07-16
DE69714278D1 (de) 2002-08-29
ATE221042T1 (de) 2002-08-15
EP0932594A2 (en) 1999-08-04
DE69714278T2 (de) 2003-02-13
ES2180952T3 (es) 2003-02-16
EP0932594B1 (en) 2002-07-24
WO1998015519A2 (en) 1998-04-16
AU4893797A (en) 1998-05-05

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